A pharmaceutical manufacturer wants to investigate thebioactivity of a new drug. A completely randomized single-factorexperiment was conducted with three dosage levels, and thefollowing results were obtained. Use R to run ANOVA to test if thedosage has some effects or not.
Dosage | Observations |
20g | 24 | 28 | 37 | 30 |
30g | 37 | 44 | 31 | 35 |
40g | 42 | 47 | 52 | 38 |
a. Find the test statistic.
b. Find the p-value (Please input a decimal value. Please input0 or 0.0001 if it is smaller than 0.0001 ) .